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首页> 外文会议>TMS(The Minerals, Metals amp; Materials Society) Annual Meeting; 20040314-20040318; Charlotte,NC; US >THE MICROSTRUCTURE-MECHANICAL PROPERTY RELATIONSHIP OF ULTRAFINE GRAINED STRUCTURAL MATERIALS PROCESSED BY ECAP
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THE MICROSTRUCTURE-MECHANICAL PROPERTY RELATIONSHIP OF ULTRAFINE GRAINED STRUCTURAL MATERIALS PROCESSED BY ECAP

机译：ECAP处理的超细晶粒结构材料的微观力学性能关系

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摘要

The relationship between microstructure and mechanical properties of UFG materials processed by ECAP was addressed based on the experimental results along with several recent literature sources. In the first part, the general trend of the variation of the strength with the grain size was reviewed. In the second part, the utilization of nano-sized precipitates on enhancing strain hardening of the UFG steels was demonstrated. Finally, the effect of initial boundary misorientation distribution induced by different ECAP strains on the deformation mechanisms of the UFG 5083 Al alloy at low temperature superplastic temperature was presented.
机译：基于实验结果以及一些最新文献资料，探讨了由ECAP处理的UFG材料的微观结构与力学性能之间的关系。在第一部分中，回顾了强度随晶粒尺寸变化的总体趋势。在第二部分中，展示了利用纳米级析出物增强UFG钢的应变硬化。最后，提出了在低温超塑温度下，不同的ECAP应变引起的初始边界取向错误分布对UFG 5083铝合金变形机制的影响。

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